| CAS No.: | 7681-57-4 |
|---|---|
| Formula: | Na2s2o5 |
| EINECS: | 231-673-0 |
|
Still deciding? Get samples of US$ 200/500g
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
|
Items
|
Specification
|
|
Content(Na2S2O5)
|
98% min.
|
|
SO2
|
65% min.
|
|
Iron(Fe)
|
0.0003% max
|
|
As
|
0.0001%max
|
|
Water Insoluble Matter
|
0.02% max
|
|
PB
|
0.0005% max
|
|
PH
|
4-4.8
|
Usage:
Chemical industry
It is used for the production of insurance powder, sulfamethazine, analgin, caprolactam, etc., phenylpropane sulfone and benzaldehyde. The photographic industry is used as a fixative for the fixer. The perfume industry is used to produce vanillin. Used as a preservative for brewing industry, a rubber coagulant and a bleaching agent for cotton bleaching. Organic intermediates, dyes, and tanning are used as reducing agents for electroplating, wastewater treatment in oil fields, and as a mineralizer for mines.
industry
It is used in printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments; as a preservative, bleaching agent and loosening agent in food processing.
Used as a chemical reagent
(Printing and dyeing, photography, etc.), used as bleach mordant, reducing agent rubber coagulant, also used in organic synthetic pharmaceuticals and spices.
){kind=link}